---
title: "Mortar Gun — $209K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/mortar-gun"
last_updated: "2026-08-07T16:10:02.041Z"
locale: en
meta:
  description: "Niche score 63/100 · $209K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 63/100 · $209K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Mortar Gun — $209K/yr Amazon US Niche (2026) - Flapen"
---

# **mortar gun**

**Worth a look**

Shows beatable incumbent ratings (3.7★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 41Growth 40Conversion 58Competition 63Returns 94Price range 11Avg price 75Brand share 77Review moat 83Quality gap 98

**Quality gap**

**Incredible****3.7★**

avg incumbent rating — lower means beatable quality

**Returns**

**Great****1.1%**

return rate — above 5% kills the launch gate

**Review moat**

**Great****335.06**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Great****58%**

top-5 brand share — no brand owns this niche

**Avg price**

**Great****$99.93**

avg listing price — sweet spot $15–$100

**Competition**

**Good****47%**

top-5 click share — leaders hold, buyers still browse

**Conversion**

**Good****5.0%**

search→purchase rate — share of searches ending in a sale

**Market size**

**Okay****$209K**

$209K/yr · 42K searches

**Growth**

**Okay****+11.8%**

90-day search growth — must beat 0% to launch

**Price range**

**Bad****$9.92–$811.58**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

According to Flapen's Amazon United States niche tracking, mortar gun is a $209K/yr Amazon United States market (42K searches/yr). The top 5 brands hold 58% of demand. Verdict: Worth a look — 63/100.

Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **mortar gun market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–2K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$150K–$200K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**5.0%**</dd>

<dt>**Avg BSR**</dt><dd>**#418**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**94%**</dd>

<dt>**Sponsored**</dt><dd>**90%**</dd>

<dt>**Out of stock**</dt><dd>**6.4%**</dd>

<dt>**Avg brand age**</dt><dd>**48 months**</dd>

<dt>**Avg seller age**</dt><dd>**165 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**24 **▼falling

**Sellers**

**28**

**Top-5 brand share**

**58%**

Top 20: 96%

**Top-5 click share**

**47%**

Top 20: 88%

**Open market**

**38%**

- HOUBYU33% - CIFUPUQU8% - ZMURED6% - duxinn6% - Senhill5% - HBCHEN4%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +11.8% search growth over the last 90 days.

1K800Spike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.6×

[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/mortar-gun/trend)

## **Top mortar gun search terms**

- **grout gun**13K/yr+9.1%4.0% conv. - **mortar gun**13K/yr+19.6%3.9% conv. - **grout pump**9K/yr+17.4%2.4% conv. - **mortar grout gun**7K/yr-3.6%3.3% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/mortar-gun/search-terms)

## **Top mortar gun products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%4%$8K8%$17K12%$25K16%$33K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Mortar Grout Gun Cement Caulk Gun with 9 Nozzle Without Electric Drill](https://m.media-amazon.com/images/I/51xAdA9ZBVL.jpg)**Mortar Grout Gun Cement Caulk Gun with 9 Nozzle Without Electric Drill**HOUBYU**$38.23**4.0★167 rev](https://www.amazon.com/dp/B09LHLDBBD) [2![Mortar Grout Gun Grout Pump With 9 NozzlesWithout Electric Drill](https://m.media-amazon.com/images/I/51XGUl1f1pL.jpg)**Mortar Grout Gun Grout Pump With 9 NozzlesWithout Electric Drill**HOUBYU**$35.95**3.6★135 rev](https://www.amazon.com/dp/B0B4CWHGB2) [3![Mortar Pointing Grouting Gun Stainless Steel Cement Caulking Gun](https://m.media-amazon.com/images/I/41Ed3m-C4TL.jpg)**Mortar Pointing Grouting Gun Stainless Steel Cement Caulking Gun**CIFUPUQU**$29.34**3.6★37 rev](https://www.amazon.com/dp/B0DBKH84CV) [4![Electric Mortar Grout Gun Portable Pointing Grouting Caulking Sprayer with 8 Nozzles (Without Electric Drill)](https://m.media-amazon.com/images/I/41bKzHSoe-L.jpg)**Electric Mortar Grout Gun Portable Pointing Grouting Caulking Sprayer with 8 Nozzles (Without Electric Drill)**ZMURED**$29.90**3.9★49 rev](https://www.amazon.com/dp/B09HSH725P) [5![Large Size Auger Mortar Grout Gun With 9 Nozzle Without Electric Drill](https://m.media-amazon.com/images/I/51jMub+m7AL.jpg)**Large Size Auger Mortar Grout Gun With 9 Nozzle Without Electric Drill**HOUBYU**$47.57**3.7★134 rev](https://www.amazon.com/dp/B0BBN5RQL6)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Lanties Electric Mortar Caulking Gun Portable Cement Grouting Machine Reusable Mortar Pointing Gun with 5 Nozzles for Walls Bricks Floors (Not Include Electric Drill)(Blue)](https://m.media-amazon.com/images/I/415AJmvfomL.jpg)**Lanties Electric Mortar Caulking Gun Portable Cement Grouting Machine Reusable Mortar Pointing Gun with 5 Nozzles for Walls Bricks Floors (Not Include Electric Drill)(Blue)**Lanties**$30.34**12 rev7mo ago](https://www.amazon.com/dp/B0GBWDWK8X) [![Electric Mortar Grout Gun Pump Caulking Tool Portable Cement Grouting Machine Reusable Cordless Caulking Gun with 4 Nozzles for Efficient Tiling and Masonry Work](https://m.media-amazon.com/images/I/31O7jCNg1ML.jpg)**Electric Mortar Grout Gun Pump Caulking Tool Portable Cement Grouting Machine Reusable Cordless Caulking Gun with 4 Nozzles for Efficient Tiling and Masonry Work**QZQUFJ**$22.76**146 rev1y ago](https://www.amazon.com/dp/B0D9VWBSWX) [![Multi functional and labor-saving caulking gun manual pressure grouting grout filling agent epoxy colored sand grouting construction caulking gun](https://m.media-amazon.com/images/I/41TgQkegLlL.jpg)**Multi functional and labor-saving caulking gun manual pressure grouting grout filling agent epoxy colored sand grouting construction caulking gun**CQHKINGHAI**$19.00**10 rev1y ago](https://www.amazon.com/dp/B0F321NT5G) [![DAFEIKE Mortar Gun Grout Gun Cement Caulk Gun Stainless Steel Lime Caulking Gun Brick Pointing Tools with 5 Nozzles](https://m.media-amazon.com/images/I/31xQB1ynPCL.jpg)**DAFEIKE Mortar Gun Grout Gun Cement Caulk Gun Stainless Steel Lime Caulking Gun Brick Pointing Tools with 5 Nozzles**DAFEIKE**$34.75**61 rev1y ago](https://www.amazon.com/dp/B0DPYD77NF) [![INREPRO Mortar Pointing Grouting Gun Cement Caulking Pump with 5 Nozzles for Grouting of Doors & Windows Stainless Steel Mortar Sprayer Applicator Tool for Grouting Sealing Joint Filling (Black)](https://m.media-amazon.com/images/I/4116gWN2mgL.jpg)**INREPRO Mortar Pointing Grouting Gun Cement Caulking Pump with 5 Nozzles for Grouting of Doors & Windows Stainless Steel Mortar Sprayer Applicator Tool for Grouting Sealing Joint Filling (Black)**INREPRO**$32.14**36 rev1y ago](https://www.amazon.com/dp/B0DNFBSQX1)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Lanties Electric Mortar Caulking Gun Portable Cement Grouting Machine Reusable Mortar Pointing Gun with 5 Nozzles for Walls Bricks Floors (Not Include Electric Drill)(Blue)](https://m.media-amazon.com/images/I/415AJmvfomL.jpg)**Lanties Electric Mortar Caulking Gun Portable Cement Grouting Machine Reusable Mortar Pointing Gun with 5 Nozzles for Walls Bricks Floors (Not Include Electric Drill)(Blue)**Lanties**$30.34**3.3★**▲ 183%**](https://www.amazon.com/dp/B0GBWDWK8X) [![Grouting Grout Injection Pump EPOXY Polyurethane Foam Injection Pump for Concrete Repair Waterproofing Crack Repair Apartment Roofing Basement Garage Tunnel Bridge](https://m.media-amazon.com/images/I/41ov6-bErCL.jpg)**Grouting Grout Injection Pump EPOXY Polyurethane Foam Injection Pump for Concrete Repair Waterproofing Crack Repair Apartment Roofing Basement Garage Tunnel Bridge**Adoration**$513.89**2.5★**▲ 66%**](https://www.amazon.com/dp/B09H3CZFQC) [![Electric Mortar Grout Gun Portable Pointing Grouting Caulking Sprayer with 8 Nozzles (Without Electric Drill)](https://m.media-amazon.com/images/I/41bKzHSoe-L.jpg)**Electric Mortar Grout Gun Portable Pointing Grouting Caulking Sprayer with 8 Nozzles (Without Electric Drill)**ZMURED**$29.90**3.9★**▲ 60%**](https://www.amazon.com/dp/B09HSH725P) [![Senhill Mortar Pointing Grouting Gun Mortar Sprayer Applicator Stainless Steel Cement Caulking Gun Cement Caulking Pump with 5 Nozzle](https://m.media-amazon.com/images/I/51ZiWBIf+DL.jpg)**Senhill Mortar Pointing Grouting Gun Mortar Sprayer Applicator Stainless Steel Cement Caulking Gun Cement Caulking Pump with 5 Nozzle**Senhill**$34.56**4.0★**▲ 60%**](https://www.amazon.com/dp/B0BGM5PCQT) [![Mortar Grout Gun Cement Caulk Gun with 9 Nozzle Without Electric Drill](https://m.media-amazon.com/images/I/51xAdA9ZBVL.jpg)**Mortar Grout Gun Cement Caulk Gun with 9 Nozzle Without Electric Drill**HOUBYU**$38.23**4.0★**▲ 56%**](https://www.amazon.com/dp/B09LHLDBBD)

**~~View all trending →~~**

## **What buyers say about mortar gun**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Ease Of Use**22%

*“easy to use and very helpful”*

**Value For Money**16%

*“Great value”*

**Quality-Overall**15%

*“GOOD QUALITY”*

**Advertised Vs Actual Product**11%

*“Everything worked as advertised”*

**Durability**7%

*“Very good durable tool at a great price”*

**Ease Of Cleaning**4%

*“Easy to clean”*

**Strength**3%

*“it is not flimsy”*

**Design-Overall**2%

*“Well built”*

**Functionality-Overall**2%

*“it did the job”*

**Weight Light**2%

*“Its not too bulky and lightweight”*

### **What buyers complain about **

**Quality-Overall**18%

*“Garbage”*

**Functionality-Overall**13%

*“It may not function as intended”*

**Durability**13%

*“Broke on first use”*

**Ease Of Use**6%

*“very difficult to remove”*

**Strength**6%

*“Not strong”*

**Pressure**5%

*“No pressure release on the push rod on the caulk gun”*

**Product Condition**5%

*“refurbished item not sure which”*

**Instructions/User Manual/Troubleshooting**3%

*“not as easy as it looked on youtube instructions”*

**Value For Money**3%

*“waste of money”*

**Size-Overall**3%

*“The Hopper seemed a little small when I bought it”*

### **Top return reasons **

**Functionality-Overall**20%

**Size-Overall**18%

**Value For Money**12%

**Defective Material/Parts**9%

**Quality-Overall**8%

**Advertised Vs Actual Product**7%

**Durability**4%

**Product Condition**3%

**Strength**3%

**Ease Of Use**2%

## **Common questions**

<dl>

<dt>**Is mortar gun profitable to sell on Amazon United States?**</dt><dd>The niche generates $209K/yr across 31 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +11.8%. Flapen's verdict: Worth a look (63/100).</dd>

<dt>**How competitive is the mortar gun niche?**</dt><dd>24 brands and 28 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 58% of demand.</dd>

<dt>**What do buyers complain about in mortar gun?**</dt><dd>Top complaints mined from reviews: Quality-Overall, Functionality-Overall, Durability. The return rate is 1.1%.</dd>

<dt>**When does demand for mortar gun peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.6× the quietest.</dd>

<dt>**What does it cost to enter the mortar gun niche?**</dt><dd>Listings span $9.92–$811.58; the average listing price is $99.93 (sweet spot $15–$100). The average incumbent carries 335 reviews — the moat a new listing must climb.</dd>

</dl>

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